DataMan, the must-have iPhone data usage manager, by renown bloggers Rated G for Geek. DataMan got 4 out 5 stars!
"If you have one of AT&T’s new data plans, then you need to keep an eye on your data usage. With DataMan, set your billing date and your data usage allowances, and you have real time monitoring. It runs in the background using a minimal amount of your battery."
Thank you fellow geeks. G is better than A. Read the full review.